Half to charles goetz



(No Model.)

13. D. PHILLIPS.

FEED GRINDER. v 0 No. 443,000. Patent-ed Dec. 16, 1890.

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wih esses UNITED STATES PATENT OFFICE.

EDXVARD D. PHILLIPS, OF MINERAL POINT, VISCONSIN, ASSIGNOR OF ONE- HALF TO CHARLES GOETZ, OF SAME PLACE.

FEED-GRINDER.

SPECIFICATION forming part of Letters Patent N 0. 443,000, dated December 16, 1890. Application filed May 16, 1890- Serial No. 352,018- (No model.)

To all whom it may concern: springs 9, each of which has one end secured Be it known that I, EDWARD D. PHILLIPS to a bar 10 and the other end arranged to ena citizen of the United States, residing at gage the lower ends of the hinged sides, and Mineral Point, in the county of Iowa and the inward movement of the hinged sides is 55 State of WVisconsin, have invented a new and limited by rods 11, which are engaged by rabuseful Feed-(kinder, of which the following beted portions 12, in which the rods 11 lie is a specification. when the hinged sides are closest to the ver- The invention relates to improvements in tically-movable grinder. By this construction feed-grinders. the hin ed sides are rendered automaticall 6o b a: d

IO The object of the present invention is to yielding, but their grinding-surfaces are presimplify and improve the construction of vented coming into actual contact with the feed-grinders and enable their grinding-surgrinding-surfaces of the vertically-movable faces to be automatically yielding, and to grinder. The bars have their ends secured prevent them coming into actual contact with in the stationary sides of the frame, and they 65 1' 5 each other and destroying their faces. serve to support, strengthen, and secure the The inven ion consists in the construction lower end of the frame. The upper end of and novel combination and arrangement of the frame is provided with a hopper 13, into parts hereinafter fully described, illustrated which the grain to be ground is fed, and it in the accompanying drawings, and pointed Will readily be seen that the mill is simple 7o out in the claims hereto appended. and inexpensive in construction and has its In the drawings, Figure 1 is a perspective grinding-faces arranged to engage the grain View of a feed-grinder constructed in accordautomatically and prevented coming in conance with this invention. Fig. 2 is a vertical tact with each other and being injured sectional view. Fig. 3 is a similar view taken thereby. The grooves or ways 5 are curved 75 2 5 at right angles to Fig. 2. and the vertically movable grinder 6 is Referring to the accompanying drawings, slightly wider than the hinged sides and has 1 designates the grinder-frame, which is conits longitudinal edges rounded and fitting structed of suitable material and composed snugly in the curved grooves. of the stationary sides 2 and the hinged sides From the foregoing description and the 8o 0 3, that are arranged between the stationary accompanying drawings, the construction, sides 2 a suitable distance from their longioperation, and advantages of the invention tudinal edges, and are hinged to the stationwill readily be understood. ary sides by bars 4, securing the upper por- That I claim is tion of the frame together. 1. In a feed-grinder, the combination of the 8 5 3 5 The stationary side bars 2 of the frame are stationary sides provided with oppositely-disprovided with oppositely-disposed longitudiposed grooves or ways 5, the vertically-1novanal grooves 5, which form ways for a vertible grinder G, sliding in the grooves or ways cally-movable grinder G, that is centrally and having its faces provided with grindingmounted in the frame, and is designed to be surfaces, the sides 3, arranged upon opposite o suitably connected with a windmill-power to sides of the vertically-movable grinder and operate the grinding mill. The grinder (3, provided with grinding-faces andhaving their which is vertically movable in the ways 5 of upper ends hinged and their lower ends free, the side bars 2, has rasp or grinding surfaces and the springs bearing against the free lower 7 that are coarsest at their upper ends, where ends of the sides 3, whereby an automatically- 5 5 they first come in contact with the grain to yielding grinding-surface is provided, subbe ground, and they gradually increase in stantially as described. fineness. The hinged sides 3 are provided 2. Inafeedgrinder, the combination of the with similarly-constructed grinding-surfaces stationary sides 2, provided with the oppo- 8, which are automatically adjusted and mainsitely-disposed grooves or ways 5, the yield- 100 tained inaposition close to the grinding-faces ing sides 3, having their upper ends hinged of the vertically movable grinder 6 by curved between the stationary sides 2 and provided with the grinding-faces S, the curved springs In testimony that I claim the foregoing as 9, each having one of their ends secured to my own I have hereto affixed my signature in 10 the bars 10 and having the free end engaging presence of two witnesses.

the adjacent hinged side, the rods 11, arranged to limit the inward movement of the hinged ED\\'ARD D. PHILLIPS. sides, and the vertically-movable grinder Witnesses: mounted in the grooves or ways 5, substan- E. Y. HUTCHISON,

tially as described. MILLER IIUTCHIsON. 

